| Patents for H03K 4 - Generating pulses having essentially a finite slope or stepped portions (2,412) |
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| 09/08/1992 | US5146108 Parabolic wave generator |
| 09/02/1992 | EP0496731A4 Method and apparatus for conducting electrochemiluminescent measurements |
| 08/25/1992 | US5142206 Slow turn-on in a deflection circuit |
| 08/19/1992 | EP0499175A2 Threshold and clamp circuit |
| 08/18/1992 | US5140591 Generator of drive signals for transistors connected in a half-bridge configuration |
| 08/12/1992 | EP0498004A1 Integratable demodulator circuit |
| 08/11/1992 | US5138240 Horizontal-deflection driving circuit |
| 08/05/1992 | EP0496731A1 Method and apparatus for conducting electrochemiluminescent measurements. |
| 08/05/1992 | CN1017766B Control arrangement for inverter current |
| 07/29/1992 | EP0496065A2 Driving circuit for horizontal output circuit |
| 07/29/1992 | CN1017674B Vetical sawtooth generator |
| 07/21/1992 | US5132636 Triangular to sine wave converter |
| 07/14/1992 | US5130571 Optimizing speed and charge injection parameters of a switched capacitor circuit |
| 07/14/1992 | US5130564 Signal delay circuit for minimizing the delay time dependence on power supply voltage variation |
| 07/07/1992 | US5128555 Pulsed CMOS logic circuit having selectable rise and fall times |
| 07/01/1992 | EP0492338A2 A circuit device for phasing an oscillator |
| 06/24/1992 | EP0491589A1 Ignition generator of high energy e.g. for gas turbine |
| 06/09/1992 | US5121015 Voltage controlled delay element |
| 06/09/1992 | US5120984 Sawtooth generator with two-step discharge |
| 06/09/1992 | CA1303234C Horizontal deflection circuit for video display monitor |
| 06/03/1992 | CN1016928B Horizontal deflection circuit for video display monitor |
| 06/02/1992 | US5118965 Analog pulse converter from square to triangular to cos2 wave |
| 05/29/1992 | WO1992008945A1 Proximity sensing means and method |
| 05/19/1992 | CA1301249C Integrated poly-phase power meter |
| 05/12/1992 | US5113122 Horizontal deflector apparatus |
| 05/12/1992 | CA1300680C Switching voltage regulator with stabilized loop gain |
| 04/22/1992 | EP0481967A2 Temperature compensation circuit and time delay generatof including the same |
| 04/22/1992 | EP0481544A2 Waveshaping circuit |
| 04/21/1992 | US5107190 Means and method for optimizing the switching performance of power amplifiers |
| 04/01/1992 | EP0477907A2 A constant current circuit and an oscillating circuit controlled by the same |
| 03/25/1992 | EP0476731A1 Sawtooth generator and oscilloscope provided with such a sawtooth generator |
| 02/18/1992 | US5089756 Deflection driver in a video apparatus |
| 02/18/1992 | US5089755 Vertical deflection circuit |
| 02/11/1992 | US5087863 Feedback arrangement in a deflection circuit |
| 02/11/1992 | US5087827 Variable voltage transition circuit |
| 02/05/1992 | CN1058497A 信号延迟电路 Signal delay circuit |
| 01/07/1992 | US5079453 Slope compensation circuit for stabilizing current mode converters |
| 12/11/1991 | EP0460775A2 A circuit for providing a pulsed output signal from three binary input signals |
| 12/03/1991 | US5070256 Bus transmitter having controlled trapezoidal slew rate |
| 11/26/1991 | US5068581 Horizontal deflection circuit for high-frequency scanning |
| 11/26/1991 | US5068088 Method and apparatus for conducting electrochemiluminescent measurements |
| 11/26/1991 | CA1292559C Vertical deflection circuit with service mode operation |
| 11/26/1991 | CA1292521C Bus transmitter having controlled trapezoidal slew rate |
| 11/21/1991 | EP0457595A1 Communication apparatus for transmitting and receiving communication signals through common transmission line |
| 11/19/1991 | CA1292290C Integrated nmos-circuit arrangement |
| 11/14/1991 | DE4014883A1 Voltage parabola focussing waveform generating circuit - uses existing CRT sawtooth deflection waveforms as circuit inputs |
| 11/13/1991 | EP0185096B1 Apparatus for controlling amplitude of vertically deflecting signals |
| 11/13/1991 | CN1056198A Switched mode vertical deflection system and control circuit |
| 11/05/1991 | US5063354 Frequency synthesizing device |
| 10/30/1991 | EP0454008A2 Parabola generators with auxiliary reset function |
| 10/30/1991 | EP0454001A2 Switched mode vertical deflection system and control circuit |
| 10/29/1991 | US5061445 Computerized |
| 10/29/1991 | CA1291528C Procedure for the conversion of electrical energy from direct into alternating |
| 10/22/1991 | US5059873 Multiple frequency vertical scan system |
| 10/03/1991 | WO1991015057A1 Connection arrangement for producing a vertical frequency deflection current |
| 09/25/1991 | EP0447559A1 Vertical deflection circuit |
| 09/24/1991 | US5051608 Circuit arrangement for supplying a periodic, substantially parabolic signal |
| 09/17/1991 | US5049759 Signal processing system for period-to-voltage conversion |
| 09/10/1991 | US5047621 Radial transmission line for waveform generation and power accumulation |
| 08/28/1991 | CN2083831U High-voltage sawtooth wave single/dowble sources electric net power sources equipment |
| 08/28/1991 | CN1013722B Picture display device including staircase generator |
| 08/14/1991 | DE4004186A1 Horizontal deflection stage with electronic switch for TV monitoring - has cascaded transistor switches between earth potential and voltage |
| 07/23/1991 | US5034664 Parabola generators with auxiliary reset function |
| 07/10/1991 | EP0436246A1 Character generator comprising a startstop oscillator |
| 07/09/1991 | US5030847 Pulse-width modulator and driving circuit |
| 07/09/1991 | US5030844 DC power switch with inrush prevention |
| 07/02/1991 | US5028823 Delay device with intermittent capacitor discharge |
| 06/11/1991 | US5023473 Drive circuit for Bloch line memory |
| 06/05/1991 | EP0262164B1 System for producing an alternating voltage |
| 05/28/1991 | US5019754 Horizontal deflection circuit |
| 05/16/1991 | DE3937878A1 Line scanning stage for TV receivers - has diode modulator to provide linear current increased avoid brightness variations |
| 05/14/1991 | US5015960 Method of generating a voltage with a triangular wave form |
| 05/07/1991 | US5013931 Programmable triangle wave generator |
| 05/02/1991 | WO1991006151A1 Coupled regenerative oscillator circuit |
| 05/02/1991 | EP0424982A2 Vertical deflection circuit |
| 04/23/1991 | CA1283478C Vertical deflection current generator |
| 04/18/1991 | WO1991005433A1 Vertical deflection circuit |
| 04/17/1991 | CN1012409B Bus transmitter having controlled trapezoidal slew rate |
| 04/16/1991 | US5008659 Picture display device including a waveform generator/and a compensation circuit, and integrated circuit incorporating the same |
| 04/09/1991 | US5006739 Using a voltage follower |
| 04/09/1991 | US5006724 Control device for light sets |
| 03/26/1991 | US5003195 Pin diode attenuator RF pulse generator with pulse rise and fall time control |
| 03/12/1991 | US4999549 Switched mode vertical deflection system and control circuit |
| 03/06/1991 | EP0415244A2 Adaptive compensating ramp generator for current-mode DC/DC converters |
| 02/12/1991 | US4992708 Horizontal deflection and high voltage generating circuit |
| 02/12/1991 | CA1280204C Regulating power supply for video display apparatus |
| 02/05/1991 | US4990834 Line deflection circuit arrangement for a picture display device |
| 02/05/1991 | US4990833 Self-adapting vertical scan circuit for raster-scanned cathode ray tube displays |
| 01/29/1991 | US4988888 Semiconductor |
| 01/29/1991 | CA1279724C Vertical deflection circuit |
| 01/23/1991 | EP0409747A1 MOS transistor gate control circuit |
| 01/23/1991 | EP0144344B1 Ringing signal generator |
| 01/15/1991 | US4985683 Circuitry for measuring phase difference between two oscillatory signals |
| 01/15/1991 | US4985665 Black level tracking for multiple frequency apparatus |
| 01/08/1991 | US4983931 CR-type oscillator circuit |
| 01/08/1991 | US4983886 High-energy ignition generator especially for a gas-turbine |
| 01/02/1991 | CA1278609C Multi-channel modulated numerical frequency synthesizer |
| 12/27/1990 | EP0403972A2 Amplifier drive circuit for inductive loads |
| 12/18/1990 | US4978866 Ramp circuit for control loop |
| 12/04/1990 | US4975820 Adaptive compensating ramp generator for current-mode DC/DC converters |